<template>
  <view>
    <view class="goods-list">
      <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
        <my-goods :goods="goods"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //请求参数对象
        queryObj:{
          query:'',
          cid:'',
          pagenum:1,
          pagesize:10
        },
        //商品列表数据
        goodsList:[],
        //总数量用来实现分页
        total:0,
        isLoading:false
       
      };
    },
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      this.getGoodsList()
    },
    methods:{
      //获取商品列表的方法
      
     async getGoodsList(cb){
       this.isLoading = true
       const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
       this.isLoading = false
       cb&&cb()
       if(res.meta.status !== 200) return uni.$showMsg()
       this.goodsList = [...this.goodsList,...res.message.goods]
       this.total = res.message.total
      },
      gotoDetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
        })
      }
    },
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
      if(this.isLoading) return
      //让页码值自增+1
      this.queryObj.pagenum ++
      this.getGoodsList()
    },
    onPullDownRefresh() {
      //重置关键数据
      this.queryObj.pagenum = 1,
      this.total = 0,
      this.isLoading = false,
      this.goodsList = []
      //重新发起数据请求
      this.getGoodsList(()=>uni.stopPullDownRefresh())
    }
    }
</script>

<style lang="scss">

</style>
